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Documentation / networking / xfrm_proc.txt




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Based on kernel version 3.9. Page generated on 2013-05-02 23:12 EST.

1	XFRM proc - /proc/net/xfrm_* files
2	==================================
3	Masahide NAKAMURA <nakam@linux-ipv6.org>
4	
5	
6	Transformation Statistics
7	-------------------------
8	xfrm_proc is a statistics shown factor dropped by transformation
9	for developer.
10	It is a counter designed from current transformation source code
11	and defined like linux private MIB.
12	
13	Inbound statistics
14	~~~~~~~~~~~~~~~~~~
15	XfrmInError:
16		All errors which is not matched others
17	XfrmInBufferError:
18		No buffer is left
19	XfrmInHdrError:
20		Header error
21	XfrmInNoStates:
22		No state is found
23		i.e. Either inbound SPI, address, or IPsec protocol at SA is wrong
24	XfrmInStateProtoError:
25		Transformation protocol specific error
26		e.g. SA key is wrong
27	XfrmInStateModeError:
28		Transformation mode specific error
29	XfrmInStateSeqError:
30		Sequence error
31		i.e. Sequence number is out of window
32	XfrmInStateExpired:
33		State is expired
34	XfrmInStateMismatch:
35		State has mismatch option
36		e.g. UDP encapsulation type is mismatch
37	XfrmInStateInvalid:
38		State is invalid
39	XfrmInTmplMismatch:
40		No matching template for states
41		e.g. Inbound SAs are correct but SP rule is wrong
42	XfrmInNoPols:
43		No policy is found for states
44		e.g. Inbound SAs are correct but no SP is found
45	XfrmInPolBlock:
46		Policy discards
47	XfrmInPolError:
48		Policy error
49	
50	Outbound errors
51	~~~~~~~~~~~~~~~
52	XfrmOutError:
53		All errors which is not matched others
54	XfrmOutBundleGenError:
55		Bundle generation error
56	XfrmOutBundleCheckError:
57		Bundle check error
58	XfrmOutNoStates:
59		No state is found
60	XfrmOutStateProtoError:
61		Transformation protocol specific error
62	XfrmOutStateModeError:
63		Transformation mode specific error
64	XfrmOutStateSeqError:
65		Sequence error
66		i.e. Sequence number overflow
67	XfrmOutStateExpired:
68		State is expired
69	XfrmOutPolBlock:
70		Policy discards
71	XfrmOutPolDead:
72		Policy is dead
73	XfrmOutPolError:
74		Policy error
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